Calvin Klein has since addressed these claims, recognizing Kourtney Kardashian’s slimmer-looking arm as a trick of lighting, and that it only appeared that way due to the low resolution of the photo, which had to be optimized for social media.

For clarity, the brand also shared a zoomed-in version of the image with INSIDER.

“[T]he light is hitting [her arm] which makes it slightly less defined. Unfortunately, when the image is posted to social media in a lower-resolution format, the shape of her arm loses its definition…”